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Guidelines for Early-Opening-to-Traffic Portland Cement Concrete for Pavement Rehabilitation.
| 题名： | Guidelines for Early-Opening-to-Traffic Portland Cement Concrete for Pavement Rehabilitation. |
| 作者： | PANGULURI, A.; PETERSON, K. R.; SUTTER, L. L.; SYTSMA, J.; VAN DAM, T. J. |
| 关键词： | *Concrete-pavements; *Portland-cements.;Rehabilitation-; Highway-construction; Mixtures-; Aggregates-; Strength-; Shrinkage-; Permeability-; Traffic-control; Urban-areas; Design-; Durability-; Cost-effectiveness; Laboratory-tests; Guidelines-. |
| 摘要： | Because of its unique properties, early-opening-to-traffic (EOT) concrete is more susceptible to durability-related distress than conventional concrete. For example, the use of high cement contents and multiple admixtures can lead to increased shrinkage, altered microstructure, and unexpected interactions. Further, the ability of standard testing to detect durability-related problems is limited, and thus deficiencies may go undetected through the mixture design and construction process. NCHRP Project 18-04B was conducted to evaluate the durability characteristics of EOT concrete to develop guidelines for materials, mixtures, and construction techniques that enhance long-term durability of EOT concrete for pavement rehabilitation. |
| 报告类型： | 科技报告 |
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